Lighting fixture



FIG. 1 is a top, front, left-side perspective view of a lighting fixture showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being mirror symmetrical thereto;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front elevational view thereof. 

The ornamental design for a lighting fixture, as shown and described. 